Wristwatch



FIG. 1 is a front view of a wristwatch showing our new design; and

FIG. 2 is a rear view thereof;

FIG. 3 is a bottom view of the wristwatch with the watchband shown in a different position;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a right side view of FIG. 1;

FIG. 6 is a left side view of FIG. 1; and,

FIG. 7 is a front perspective view with strap closed. 

The ornamental design for a wristwatch, as shown and described. 